<template>
	<view>
		<!-- 搜索组件 -->
		<view class="search-box">
			<my-search @click="gotoSearch"></my-search>
		</view>
		
		<!--轮播图区域-->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000":circular="true">
			<swiper-item v-for="(item,i) in swiperList" :key="i">
				<navigator class="swiper-item"  :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id	">
					<image :src="item.image_src">
					</navigator>
			</swiper-item> 
			</swiper>
			
			<!-- 分类导航区域 -->
			<view class= "nav-list">
				<view class= "nav-item" v-for="(item , i) in navList" :key="i" @click = "navClickHandler(item)">
					<image :src= "item.image_src" class="nav-img"></image>
				</view>
			</view>
			<!-- 楼层区域 -->
			<view class="floor-list">
			  <!-- 楼层 item 项 -->
			  <view class="floor-item" v-for="(item, i) in floorList" :key="i">
			    <!-- 楼层标题 -->
			    <image :src="item.floor_title.image_src" class="floor-title"></image>
				<!-- 楼层图片区域 -->
				<view class="floor-img-box">
				  <!-- 左侧大图片的盒子 -->
				  <navigator class="left-img-box" :url = "item.product_list[0].url">
				    <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
				  </navigator>
				  <!-- 右侧 4 个小图片的盒子 -->
				  <view class="right-img-box">
				    <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url = "item2.url">
				      <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
				    </navigator>
				  </view>
				</view>
			  </view>
			</view>
	</view>
</template>


<script>
	export default {
		data() {
			return {
				// 这是轮播图的数据列表
				swiperList:[],
				//分类导航的数据列表
				navList : [],
				// 楼层的数据
				floorList : []
			};
		},
		onLoad() {
			// 调用方法，获取轮播图的数据
			this.getSwiperList()
			this.getNavList()
			this.getFloorList()
		},
		methods:{
			async getSwiperList(){
				const {data: res} = await uni.$http.get('/api/public/v1/home/swiperdata')
				//请求失败
				if(res.meta.status !==200) return uni.$showMsg()
				
				this.swiperList = res.message
				uni.$showMsg('数据请求成功！')
			},
			async getNavList() {
				const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
				if(res.meta.status !== 200) return uni.$showMsg()
				this.navList = res.message
			},
			navClickHandler(item) {
				if(item.name === '分类') {
					uni.switchTab({
						url:'/pages/cate/cate'
					})
				}
			},
			//获取首页楼层数据的方法
			async getFloorList() {
				const {data : res} = await uni.$http.get('/api/public/v1/home/floordata')
				if(res.meta.status !== 200) return uni.$showMsg ()
				
				// 对数据进行处理
				res.message.forEach(floor =>{
					floor.product_list.forEach(prod => {
						prod.url = '/subpkg/goods_list/goods_list?'+prod.navigator_url.split('?')[1]
					})
				} )
				this.floorList = res.message 
			},
			gotoSearch() {
				uni.navigateTo({
					url:'/subpkg/search/search'
				})
			}
		}
	}
</script>

<style lang="scss">
swiper {
	height:330rpx;
	.swiper-item,
	image{
		width: 100%;
		height: 100%;
	}
}

.nav-list {
	display: flex;
	justify-content: space-around;
	margin: 15px 0;
	
	.nav-img {
		width: 128rpx;
		height: 140rpx;
	}
}
	.floor-title {
	  width: 100%;
	  height: 60rpx;
	  display: flex;
	}
	
	.right-img-box {
	  display: flex;
	  flex-wrap: wrap;
	  justify-content: space-around;
	}
	
	.floor-img-box {
	  display: flex;
	  padding-left: 10rpx;
	}
	
	.search-box {
		position: sticky;
		top: 0;
		z-index: 999;
	}
</style>
